public class Gc {
    public static void main(String[] args) {
        System.out.println("牛吃牛牛");
        String eat = new Gc().eat();

        System.out.println(eat);
    }

    public String eat(){
        System.out.println("吃什么4吃");
        return "niuniu";
    }

    public String sellp(){
        System.out.println("吃什么4吃");
        return "niuniu";
    }



}
